show "Quick Start guide" item in the Help menu
@jeff
Submitted by Jeff F.T. Assigned to Jeff F.T. @jeff
Description
Ideally there should be a "Quick Start guide" or "User manual" menu item that opens the user's browser to http://www.pitivi.org/manual/
Imported from https://bugzilla.gnome.org/show_bug.cgi?id=621342